8266812149
This allows boards to override the logic level of a pressed button. All Maple boards have a pressed button read HIGH, but if the opposite convention is used, isButtonPressed() will infinite loop. Make isButtonPressed() respect this setting. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
174 lines
6.2 KiB
C
174 lines
6.2 KiB
C
/******************************************************************************
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* The MIT License
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*
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* Copyright (c) 2010 Bryan Newbold.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*****************************************************************************/
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/**
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* @file wirish/include/wirish/boards.h
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* @author Bryan Newbold <bnewbold@leaflabs.com>,
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* Marti Bolivar <mbolivar@leaflabs.com>
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* @brief init() and board-specific pin information.
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*/
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#ifndef _WIRISH_BOARDS_H_
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#define _WIRISH_BOARDS_H_
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#include <libmaple/libmaple_types.h>
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#include <wirish/wirish_types.h>
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#include <board/board.h>
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/* Set of all possible pin names; not all boards have all these (note
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* that we use the Dx convention since all of the Maple's pins are
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* "digital" pins (e.g. can be used with digitalRead() and
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* digitalWrite()), but not all of them are connected to ADCs. */
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enum {
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D0, D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16,
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D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30, D31,
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D32, D33, D34, D35, D36, D37, D38, D39, D40, D41, D42, D43, D44, D45, D46,
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D47, D48, D49, D50, D51, D52, D53, D54, D55, D56, D57, D58, D59, D60, D61,
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D62, D63, D64, D65, D66, D67, D68, D69, D70, D71, D72, D73, D74, D75, D76,
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D77, D78, D79, D80, D81, D82, D83, D84, D85, D86, D87, D88, D89, D90, D91,
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D92, D93, D94, D95, D96, D97, D98, D99, D100, D101, D102, D103, D104, D105,
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D106, D107, D108, D109, D110, D111, };
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/**
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* @brief Maps each Maple pin to a corresponding stm32_pin_info.
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* @see stm32_pin_info
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*/
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extern const stm32_pin_info PIN_MAP[];
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/**
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* @brief Pins capable of PWM output.
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*
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* Its length is BOARD_NR_PWM_PINS.
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*/
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extern const uint8 boardPWMPins[];
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/**
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* @brief Array of pins capable of analog input.
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*
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* Its length is BOARD_NR_ADC_PINS.
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*/
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extern const uint8 boardADCPins[];
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/**
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* @brief Pins which are connected to external hardware.
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*
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* For example, on Maple boards, it always at least includes
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* BOARD_LED_PIN. Its length is BOARD_NR_USED_PINS.
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*/
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extern const uint8 boardUsedPins[];
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/**
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* @brief Generic board initialization function.
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*
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* This function is called before main(). It ensures that the clocks
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* and peripherals are configured properly for use with wirish, then
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* calls boardInit().
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*
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* @see boardInit()
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*/
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void init(void);
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/**
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* @brief Board-specific initialization function.
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*
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* This function is called from init() after all generic board
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* initialization has been performed. Each board is required to
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* define its own.
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*
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* @see init()
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*/
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extern void boardInit(void);
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/**
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* @brief Test if a pin is used for a special purpose on your board.
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* @param pin Pin to test
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* @return true if the given pin is in boardUsedPins, and false otherwise.
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* @see boardUsedPins
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*/
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bool boardUsesPin(uint8 pin);
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/*
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* Derived and default board definitions
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*/
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#define CLOCK_SPEED_MHZ CYCLES_PER_MICROSECOND
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#define CLOCK_SPEED_HZ (CLOCK_SPEED_MHZ * 1000000UL)
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#ifndef SYSTICK_RELOAD_VAL
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#define SYSTICK_RELOAD_VAL (1000 * CYCLES_PER_MICROSECOND - 1)
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#endif
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#ifndef BOARD_BUTTON_PRESSED_LEVEL
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#define BOARD_BUTTON_PRESSED_LEVEL HIGH
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#endif
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/**
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* @brief Does the board break out a USART/UART's RX and TX pins?
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*
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* BOARD_HAVE_USART(n) is nonzero iff USARTn is available (n must be
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* an integer literal, 1 through 6). Also see BOARD_HAVE_USART1, ...,
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* BOARD_HAVE_UART4 (sic), etc.
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*/
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#define BOARD_HAVE_USART(n) (defined(BOARD_USART##n##_TX_PIN) && \
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defined(BOARD_USART##n##_RX_PIN))
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/** Feature test: nonzero iff the board has USART1. */
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#define BOARD_HAVE_USART1 BOARD_HAVE_USART(1)
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/** Feature test: nonzero iff the board has USART2, 0 otherwise. */
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#define BOARD_HAVE_USART2 BOARD_HAVE_USART(2)
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/** Feature test: nonzero iff the board has USART3, 0 otherwise. */
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#define BOARD_HAVE_USART3 BOARD_HAVE_USART(3)
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/** Feature test: nonzero iff the board has UART4, 0 otherwise. */
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#define BOARD_HAVE_UART4 BOARD_HAVE_USART(4)
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/** Feature test: nonzero iff the board has UART5, 0 otherwise. */
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#define BOARD_HAVE_UART5 BOARD_HAVE_USART(5)
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/** Feature test: nonzero iff the board has USART6, 0 otherwise. */
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#define BOARD_HAVE_USART6 BOARD_HAVE_USART(6)
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/**
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* @brief Does the board break out a SPI peripheral's pins?
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*
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* BOARD_HAVE_SPI(n) is nonzero iff SPIn is available (n must be an
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* integer literal: 1, 2, or 3). Also see BOARD_HAVE_SPI1,
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* BOARD_HAVE_SPI2, BOARD_HAVE_SPI3. */
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#define BOARD_HAVE_SPI(n) (defined(BOARD_SPI##n##_NSS_PIN) && \
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defined(BOARD_SPI##n##_SCK_PIN) && \
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defined(BOARD_SPI##n##_MISO_PIN) && \
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defined(BOARD_SPI##n##_MOSI_PIN))
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/** Feature test: nonzero iff the board has SPI1. */
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#define BOARD_HAVE_SPI1 BOARD_HAVE_SPI(1)
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/** Feature test: nonzero iff the board has SPI2. */
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#define BOARD_HAVE_SPI2 BOARD_HAVE_SPI(2)
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/** Feature test: nonzero iff the board has SPI3. */
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#define BOARD_HAVE_SPI3 BOARD_HAVE_SPI(3)
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/**
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* @brief Feature test: nonzero iff the board has SerialUSB.
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*/
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#define BOARD_HAVE_SERIALUSB (defined(BOARD_USB_DISC_DEV) && \
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defined(BOARD_USB_DISC_BIT))
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#endif
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